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Seller's Description

This is a very special Catalina 309. Only ever sailed in the clean fresh waters of Lake Ontario. Her gelcoat is waxed prior to every season, and she has been constantly kept in Bristol fashion. She is yard maintained and owned by a very experienced, meticulous older sailor. Her Yanmar 3YM20 has just 174 hours and is as pristine as everything else on this boat. The in-mast furling main and setup of electronics, self tailing winches, cockpit sheeting/hoisting, traveler setup and wide decks make her exceptionally easy to singlehand. She has been only daysailed, but she is ready and well equipped for cruising. Please dont hesitate to contact me for any additional pictures or information. Im real proud of this boat and her next owner will be too.

Equipment: Garmin Chart Plotter (2018) SeaTalk system (2018) Winches/Primary (2), Lewmar 34ST Winches/halyard (2) Lewmar 28ST Rigid boom vang Electric windlass/ Maxwell 500 Bruce style 15kg anchor Foldable Edson Wheel See attached Picture of Spec sheet

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Specs

Designer
Gerry Douglas
Builder
Catalina Yachts
Associations
?
# Built
?
Hull
Monohull
Keel
Fin + Bulb
Rudder
Spade
Construction
FG

Dimensions

Length Overall
32 8 / 10 m
Waterline Length
101 8 / 31 m
Beam
19 8 / 6 m
Draft
13 1 / 4 m
Displacement
9,800 lb / 4,445 kg
Ballast
4,000 lb / 1,814 kg

Rig and Sails

Type
Sloop
Reported Sail Area
523′² / 48.6 m²
Total Sail Area
523′² / 48.6 m²
Mainsail
Sail Area
266′² / 24.8 m²
P
38 8 / 11.8 m
E
13 8 / 4.2 m
Air Draft
48 3 / 14.7 m
Foresail
Sail Area
257′² / 23.8 m²
I
42 8 / 13 m
J
12 0 / 3.7 m
Forestay Length
44 4 / 13.5 m

Auxilary Power

Make
Yanmar
Model
3YM20
HP
21
Fuel Type
Diesel
Fuel Capacity
27 gal / 102 l
Engine Hours
?

Accomodations

Water Capacity
46 gal / 174 l
Holding Tank Capacity
?
Headroom
?
Cabins
1

Calculations

Hull Speed
7.8 kn
Classic: 6.9 kn

Hull Speed

The theoretical maximum speed that a displacement hull can move efficiently through the water is determined by it's waterline length and displacement. It may be unable to reach this speed if the boat is underpowered or heavily loaded, though it may exceed this speed given enough power. Read more.

Formula

Classic hull speed formula:

Hull Speed = 1.34 x √LWL

A more accurate formula devised by Dave Gerr in The Propeller Handbook replaces the Speed/Length ratio constant of 1.34 with a calculation based on the Displacement/Length ratio.

Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio.311
Hull Speed = Max Speed/Length ratio x √LWL

7.79 knots
Classic formula: 6.9 knots
Sail Area/Displacement
18.3
16-20: good performance

Sail Area / Displacement Ratio

A measure of the power of the sails relative to the weight of the boat. The higher the number, the higher the performance, but the harder the boat will be to handle. This ratio is a "non-dimensional" value that facilitates comparisons between boats of different types and sizes. Read more.

Formula

SA/D = SA ÷ (D ÷ 64)2/3

  • SA: Sail area in square feet, derived by adding the mainsail area to 100% of the foretriangle area (the lateral area above the deck between the mast and the forestay).
  • D: Displacement in pounds.
18.27
<16: under powered
16-20: good performance
>20: high performance
Ballast/Displacement
40.8
>40: stiffer, more powerful

Ballast / Displacement Ratio

A measure of the stability of a boat's hull that suggests how well a monohull will stand up to its sails. The ballast displacement ratio indicates how much of the weight of a boat is placed for maximum stability against capsizing and is an indicator of stiffness and resistance to capsize.

Formula

Ballast / Displacement * 100

40.81
<40: less stiff, less powerful
>40: stiffer, more powerful
Displacement/Length
234.8
200-275: moderate

Displacement / Length Ratio

A measure of the weight of the boat relative to it's length at the waterline. The higher a boat’s D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more.

Formula

D/L = (D ÷ 2240) ÷ (0.01 x LWL)³

  • D: Displacement of the boat in pounds.
  • LWL: Waterline length in feet
234.84
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
20.5
20-30: coastal cruiser

Comfort Ratio

This ratio assess how quickly and abruptly a boat’s hull reacts to waves in a significant seaway, these being the elements of a boat’s motion most likely to cause seasickness. Read more.

Formula

Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam1.33)

  • D: Displacement of the boat in pounds
  • LWL: Waterline length in feet
  • LOA: Length overall in feet
  • Beam: Width of boat at the widest point in feet
20.45
<20: lightweight racing boat
20-30: coastal cruiser
30-40: moderate bluewater cruising boat
40-50: heavy bluewater boat
>50: extremely heavy bluewater boat
Capsize Screening
2.2
>2.0: better suited for coastal cruising

Capsize Screening Formula

This formula attempts to indicate whether a given boat might be too wide and light to readily right itself after being overturned in extreme conditions. Read more.

Formula

CSV = Beam ÷ ³√(D / 64)

  • Beam: Width of boat at the widest point in feet
  • D: Displacement of the boat in pounds
2.15
<2: better suited for ocean passages
>2: better suited for coastal cruising

Notes

Wing Keel draft:4.4’/1.32m

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